Display screen with a graphical user interface



The sole FIGURE is a front view of a display screen with a graphical user interface showing the claimed design.

The broken lines shown in the sole figure show portions of the environment and form no part of the claimed design. The pencil icons, the x icon, the back icon, and the illustrations of people in both the upper central circle and the central rectangle are broken lines and form no part of the claimed design. 

CLAIM The ornamental design for a display screen with a graphical user interface, as shown and described. 